2:25 minutes
Problem 38b
Textbook Question

The reaction of A with B to give D proceeds in two steps: (1) A + B → C ΔH° = -20 kJ (2) C + B → D ΔH° = +50 kJ (3) A + 2B → D ΔH° = ? (a) Which Hess’s law diagram represents the reaction steps and the overall reaction? Diagram 1 Diagram 2

Verified Solution
This video solution was recommended by our tutors as helpful for the problem above.
Was this helpful?

Watch next

Master Hess's Law with a bite sized video explanation from Jules Bruno

Start learning